Author:De Jager, Peta; Abbott, G; Parsons, SDate:May 2009Transforming strategic plans into physical infrastructure requires the preparation of briefing documents for the professional team. This task is both complex and specialised, particularly in the case of health-care infrastructure. This paper ...Read more
Author:Britz, K; Varzinczak, IDate:Mar 2018We investigate an aspect of defeasibility that has somewhat been overlooked by the nonmonotonic reasoning community, namely that of defeasible modes of reasoning. These aim to formalise defeasibility of the traditional notion of necessity in ...Read more
Author:Nuutinen, J; Sutinen, E; Botha, Adèle; Kommers, PDate:Sep 2010The rapid development of computer-supported collaborative environments has highlighted the need for collaborative knowledge construction devices. Because most available mindtools do not promote collaboration, there is a need for social mindtools ...Read more
Author:Botha, Adèle; Butgereit, LDate:Feb 2013In 2007, Laurie Butgereit, a researcher at the CSIR Meraka Institute, started to use Mxit as a communication channel to tutor her son in mathematics. Her son and a number of his friends logged in, and Dr Math was born. At the inception of Dr ...Read more
Author:Greben, HA; Nemaangani, LP; Oelofse, Suzanna HHDate:Nov 2008Waste in South Africa is disposed of in landfills, which produces unwanted landfill gas (CH4) and leachate emissions. Biological treatment of the Organic Fraction of Municipal Solid Waste (OFMSW) is an established technology in Europe, applying ...Read more
Author:Ampofo-Anti, NDate:Mar 2014Building and construction activities consume more raw materials by weight than any other industry sector – about 50% of all the materials extracted from the Earth’s crust annually are transformed into building and construction materials and ...Read more
Author:Mwakikunga, Bonex W; Maaza, M; Hillie, KT; Arendse, CJ; Malwela, T; Sideras-Haddadf, EDate:Jul 2012Raman spectroscopy of the VOx nano-ribbons is discussed in the framework of the Richter (1981) equation for optical phononconfinement (a) as modified for thin films by Fauchet and Campbell (1986), (b) as presented by Kim and co-workers for ...Read more
Author:Patterton, Louise H; Bothma, TJD; Van Deventer, MJDate:Dec 2018Research data management (RDM) and its accompanying services and infrastructures are predominantly still in a state of infancy in many African countries and little is known about the RDM habits of the researchers from these areas. Our research ...Read more
Author:Van Huyssteen, Elsona; Oranje, MDate:Aug 2008This chapter describes the National Spatial Development Perspective of South Africa (NSDP) District Application Project, which was initiated by the national Presidency of South Africa. In this pilot an attempt was made to test both the prospects ...Read more
Author:De Jager, Peta; Abbott, GDate:Sep 2013Healthcare spending in South Africa is inequitably distributed across the private and public sectors. Treasury reports that 49 % of expenditure is attributable to the private sector in the service of 16% of the population. This expenditure ...Read more
Author:Holloway, Jennifer P; Ittmann, HW; Dudeni-Tlhone, Nontembeko; Schmitz, PDate:2018Elections draw enormous interest worldwide, especially if these involve major countries, and there is much speculation in the media as to possible outcomes from these elections. In many of these recent elections, such as the UK and USA, ...Read more
Author:Roux, DJ; Murray, K; Nel, JL; Hill, Liesl; Roux, H; Driver, ADate:2011The responsibility for managing and conserving freshwater ecosystems is typically shared by multiple organizations with sometimes onflicting policy mandates. However, scorecard-based approaches for measuring management effectiveness in natural ...Read more
Author:Dudley, Angela L; Forbes, ADate:Apr 2012In this work we use a phase-only spatial light modulator (SLM) to mimic a ring-slit aperture, containing multiple azimuthally varying phases at different radial positions. The optical Fourier transform of such an aperture is currently known ...Read more
Author:Van Wyk, Llewellyn VDate:Aug 2015Despite inherent definitional and interpretational difficulties the term ‘sustainability’ is widely used in contemporary economic, social and environmental discourse to describe a desirable endgame. Although the term was popularized in the ...Read more
Author:Veldsman, A; Van Rensburg, JRDate:May 2006In the light of multiple (documented) failures of ICT4Dev implementations in the developing world and especially in the light of the failure of ICT adoption, ownership and application in the South Africa MPCC initiative, the writers argue for ...Read more
Author:Van Rensburg, J; Veldsman, AW; Jenkins, MDate:2008It is easy to find in the research literature examples of ICT4Dev initiatives that have failed. Rather than continue with a focus on technologies, our journey has led us towards the establishment of a network of community based, ICT-enabled, ...Read more
Author:Barnard, E; Zarbian, SDate:May 2010The authors investigate the acoustic realization of tone in continuous utterances in Sepedi (a language in the Southern Bantu family). Human labelers marked each of the 271 syllables in a 15-sentence corpus produced by a single speaker as ...Read more
Author:Walters, Chavon R; Steyn, MaronelDate:Sep 2022Many parts of South Africa are still staggering on the back of severe droughts experienced over the past decade. Rapid urbanization has created a plethora of water-related challenges, including environmental degradation and water scarcity ...Read more
Author:Steyn, Maronel; Oberholster, Paul; Genthe, Bettina; Thwala, MelusiDate:Sep 2019Phycoremediation makes use of macroalgae or microalgae and can be used to treat wastewater. This technique has the potential to be used as an alternative biomass source for bio-energy production. The current study utilizes a specific consortium ...Read more
Author:Ford, M; Batchelor, JDate:Jul 2007In many countries mobile phones are being banned from schools amidst growing concerns regarding their inappropriate use during school hours. However, the mobile phone is the de-facto most important networked knowledge exchange technology used ...Read more